116 lines
2.3 KiB
C
116 lines
2.3 KiB
C
/* $XConsortium: AttributeList.C /main/3 1996/08/21 15:45:57 drk $
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*
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* (c) Copyright 1996 Digital Equipment Corporation.
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* (c) Copyright 1996 Hewlett-Packard Company.
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* (c) Copyright 1996 International Business Machines Corp.
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* (c) Copyright 1996 Sun Microsystems, Inc.
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* (c) Copyright 1996 Novell, Inc.
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* (c) Copyright 1996 FUJITSU LIMITED.
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* (c) Copyright 1996 Hitachi.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <iostream.h>
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#include <assert.h>
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#include "AttributeRec.h"
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#include "AttributeList.h"
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// Debugging macro
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#ifdef DEBUG
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#define DBG(level) if ( dbgLevel >= level)
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#else
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#define DBG(level) if (0)
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#endif
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static int dbgLevel;
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//---------------------------------------------------------
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// ValList : Constructor
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OL_AttributeList::OL_AttributeList()
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{
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DBG(10) cerr << "(DEBUG) Invoking OL_AttributeList::OL_AttributeList()\n";
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dbgLevel=-1;
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char *dbgStr;
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head = NULL;
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tail = NULL;
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dbgStr = getenv("OL_DEBUG");
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dbgLevel = ( dbgStr ? atoi(dbgStr):0);
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}
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//---------------------------------------------------------
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// OL_AttributeList::OL_AttributeList
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OL_AttributeList::~OL_AttributeList()
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{
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AttributeRec *pt = head;
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while ( pt ) {
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AttributeRec *tmp = pt;
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pt = pt->next;
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delete tmp;
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}
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}
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//---------------------------------------------------------
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// OL_AttributeList:lookup
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AttributeRec *OL_AttributeList::lookup( int attName ) const
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{
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DBG(10) cerr << "(DEBUG) Invoking OL_AttributeList::lookup()\n";
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DBG(10) cerr << " with attName = " << attName << endl;
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AttributeRec *pt = head;
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while ( pt ) {
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if ( pt->attName == attName ) {
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return ( pt );
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}
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pt = pt->next;
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}
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return ( NULL );
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}
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//---------------------------------------------------------
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// OL_AttributeList::add
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void OL_AttributeList::insert ( AttributeRec *entry )
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{
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if ( !tail ) {
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head = tail = entry;
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}
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else {
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tail->next = entry;
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tail = entry;
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}
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}
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//---------------------------------------------------------
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const AttributeRec *OL_AttributeList::GetFirstAttr() const
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{
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return( head );
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}
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//---------------------------------------------------------
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const AttributeRec *
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OL_AttributeList::GetNextAttr( const AttributeRec *attRec) const
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{
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assert( attRec != NULL );
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return( attRec->next );
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}
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